The candle warms the air inside the glass, causing higher pressure. After the candle goes out (due to the oxygen being used) the air begins to cool. This cooling air creates lower pressure, creating a ...

CASCADE, Mich. — Looking for a fun activity to do at home with your kids? This science experiment is fun for all ages and teaches how oxygen and carbon dioxide have different densities! Meteorologist ...

A candle appears to be underwater by superimposing the transmitted light from the beaker with the reflected light from a candle. A pane of glass between the candle and the beaker acts as both the ...